Sonnet Expansion Cards

Welcome to the Mac Upgrades Expansion Card Page.

Listed below are the Expansion Card products we stock. You can narrow the results using the drop down menu below.

For help with choosing an Expansion Card, you can find your Mac by entering your Mac's serial number here:


Or selecting it by it's Model Identifier here:

Select your Mac Model

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 Sonnet   Sonnet Allegro USB 3.0 PCIe Card 4 port   Sonnet Allegro USB 3.0 PCIe Card 4 port - In Stock  £58.80 
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 Sonnet   Sonnet Allegro USB-C PCIe Card 2 port   Sonnet Allegro USB-C PCIe Card 2 port - In Stock  £82.80 
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